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Zetta Hackett

Feb 20, 2025

Which one has the larger standard entropy?

1) 1 mol of P4(g) at 300°C, 0.01 atm 1 mol of As4(g) at 300°C, 0.01 atm2) 0.5 mol of N2(g) at 298 K, 20 L volume 0.5 mol of CH4(g) at 298 K, 20 L volumeI am not sure how to distinguish why in each problem how to know which one is more disordered?
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Russ Strosin

Feb 20, 2025

standard entropies usually increase with an increase in molar mass, all other things being equalP4.... S = 218 /mole @....As4....S =314/mole @....(larger molar mass)N2...S = 191.5/ mole @....(larger molar mass which increases S)CH4...S= 186.3 @... ( has more atoms,which increases S), this would have been hard to call... Show More
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